package com.wwl.springcloud.services.impl;

import cn.hutool.core.lang.UUID;
import com.wwl.springcloud.services.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;

/**
 * @author wwl
 * @version 1.0
 * @date 2021/8/16 18:30
 * @description:
 */
@EnableBinding(Source.class)//定义消息的推送管道
public class MessageProviderImpl implements IMessageProvider {
    @Resource
    private MessageChannel output; //消息发送管道

    @Override
    public String send(){
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("*****serial: "+serial);
        return null;
    }
}
